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Controls on arsenic mobility in contaminated wetland and riverbed streams

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Academic year: 2021

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Table  1.  Extractants were  added to a  sediment subsample  in sequential  order (top to bottom), with  removal  of the  supernatant  after each step's time  duration
Figure 1.  Recoveries of As in a given extraction step from As-containing  phases added  to sediment matrices
Figure 1.  Map of the Aberjona  Watershed,  including the locations of the  two Superfund  Sites (Wells G & H wetland  and  Industri-Plex)
Figure  3.  Depth  profiles of measured  pH  (J),  platinum electrode potential  (PEP,  ii),  porewater Fe(II)  and  solid phase  Fe (asterisk symbols)  (ii,), and acid volatile sulfides (AVS; iv) for wetland  core #3W  (A) and riverbed core #2R  (B)
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